Esempi di Elastic Beanstalk con SDK for Ruby - AWS Esempi di codice SDK

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Esempi di Elastic Beanstalk con SDK for Ruby

I seguenti esempi di codice mostrano come eseguire azioni e implementare scenari comuni utilizzando AWS SDK for Ruby con Elastic Beanstalk.

Le operazioni sono estratti di codice da programmi più grandi e devono essere eseguite nel contesto. Sebbene le operazioni mostrino come richiamare le singole funzioni del servizio, è possibile visualizzarle contestualizzate negli scenari correlati.

Ogni esempio include un collegamento al codice sorgente completo, in cui è possibile trovare istruzioni su come configurare ed eseguire il codice nel contesto.

Argomenti

Operazioni

Il seguente esempio di codice mostra come utilizzareDescribeApplications.

SDK per Ruby
Nota

C'è altro da fare GitHub. Trova l'esempio completo e scopri di più sulla configurazione e l'esecuzione nel Repository di esempi di codice AWS.

# Class to manage Elastic Beanstalk applications class ElasticBeanstalkManager def initialize(eb_client, logger: Logger.new($stdout)) @eb_client = eb_client @logger = logger end # Lists applications and their environments def list_applications @eb_client.describe_applications.applications.each do |application| log_application_details(application) list_environments(application.application_name) end rescue Aws::ElasticBeanstalk::Errors::ServiceError => e @logger.error("Elastic Beanstalk Service Error: #{e.message}") end private # Logs application details def log_application_details(application) @logger.info("Name: #{application.application_name}") @logger.info("Description: #{application.description}") end # Lists and logs details of environments for a given application def list_environments(application_name) @eb_client.describe_environments(application_name: application_name).environments.each do |env| @logger.info(" Environment: #{env.environment_name}") @logger.info(" URL: #{env.cname}") @logger.info(" Health: #{env.health}") end rescue Aws::ElasticBeanstalk::Errors::ServiceError => e @logger.error("Error listing environments for application #{application_name}: #{e.message}") end end

Il seguente esempio di codice mostra come utilizzareListAvailableSolutionStacks.

SDK per Ruby
Nota

C'è altro da fare GitHub. Trova l'esempio completo e scopri di più sulla configurazione e l'esecuzione nel Repository di esempi di codice AWS.

# Manages listing of AWS Elastic Beanstalk solution stacks # @param [Aws::ElasticBeanstalk::Client] eb_client # @param [String] filter - Returns subset of results based on match # @param [Logger] logger class StackLister # Initialize with AWS Elastic Beanstalk client def initialize(eb_client, filter, logger: Logger.new($stdout)) @eb_client = eb_client @filter = filter.downcase @logger = logger end # Lists and logs Elastic Beanstalk solution stacks def list_stacks stacks = @eb_client.list_available_solution_stacks.solution_stacks orig_length = stacks.length filtered_length = 0 stacks.each do |stack| if @filter.empty? || stack.downcase.include?(@filter) @logger.info(stack) filtered_length += 1 end end log_summary(filtered_length, orig_length) rescue Aws::Errors::ServiceError => e @logger.error("Error listing solution stacks: #{e.message}") end private # Logs summary of listed stacks def log_summary(filtered_length, orig_length) if @filter.empty? @logger.info("Showed #{orig_length} stack(s)") else @logger.info("Showed #{filtered_length} stack(s) of #{orig_length}") end end end

Il seguente esempio di codice mostra come utilizzareUpdateApplication.

SDK per Ruby
Nota

C'è altro da fare GitHub. Trova l'esempio completo e scopri di più sulla configurazione e l'esecuzione nel Repository di esempi di codice AWS.

# Manages deployment of Rails applications to AWS Elastic Beanstalk class RailsAppDeployer def initialize(eb_client, s3_client, app_name, logger: Logger.new($stdout)) @eb_client = eb_client @s3_client = s3_client @app_name = app_name @logger = logger end # Deploys the latest application version to Elastic Beanstalk def deploy create_storage_location zip_file_name = create_zip_file upload_zip_to_s3(zip_file_name) create_and_deploy_new_application_version(zip_file_name) end private # Creates a new S3 storage location for the application def create_storage_location resp = @eb_client.create_storage_location @logger.info("Created storage location in bucket #{resp.s3_bucket}") rescue Aws::Errors::ServiceError => e @logger.error("Failed to create storage location: #{e.message}") end # Creates a ZIP file of the application using git def create_zip_file zip_file_basename = SecureRandom.urlsafe_base64 zip_file_name = "#{zip_file_basename}.zip" `git archive --format=zip -o #{zip_file_name} HEAD` zip_file_name end # Uploads the ZIP file to the S3 bucket def upload_zip_to_s3(zip_file_name) zip_contents = File.read(zip_file_name) key = "#{@app_name}/#{zip_file_name}" @s3_client.put_object(body: zip_contents, bucket: fetch_bucket_name, key: key) rescue Aws::Errors::ServiceError => e @logger.error("Failed to upload ZIP file to S3: #{e.message}") end # Fetches the S3 bucket name from Elastic Beanstalk application versions def fetch_bucket_name app_versions = @eb_client.describe_application_versions(application_name: @app_name) av = app_versions.application_versions.first av.source_bundle.s3_bucket rescue Aws::Errors::ServiceError => e @logger.error("Failed to fetch bucket name: #{e.message}") raise end # Creates a new application version and deploys it def create_and_deploy_new_application_version(zip_file_name) version_label = File.basename(zip_file_name, '.zip') @eb_client.create_application_version( process: false, application_name: @app_name, version_label: version_label, source_bundle: { s3_bucket: fetch_bucket_name, s3_key: "#{@app_name}/#{zip_file_name}" }, description: "Updated #{Time.now.strftime('%d/%m/%Y')}" ) update_environment(version_label) rescue Aws::Errors::ServiceError => e @logger.error("Failed to create or deploy application version: #{e.message}") end # Updates the environment to the new application version def update_environment(version_label) env_name = fetch_environment_name @eb_client.update_environment( environment_name: env_name, version_label: version_label ) rescue Aws::Errors::ServiceError => e @logger.error("Failed to update environment: #{e.message}") end # Fetches the environment name of the application def fetch_environment_name envs = @eb_client.describe_environments(application_name: @app_name) envs.environments.first.environment_name rescue Aws::Errors::ServiceError => e @logger.error("Failed to fetch environment name: #{e.message}") raise end end